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PRE-RELEASE

Contact, brake light (29), E39

Contact, brake light (29), E39

Location

Contact, brake light (29), E39

Main use

Brake light information is used by the control module, E39 (590) to:


- Disengage the cruise control

- Limit engine torque during braking

- Enable diagnosis of the vehicle speed signal.


Type

Closing contact.


Connection

29 pin no. Type of signal Description
1 +30 Power supply from fuse 6 in the dashboard fuse box (22).
2 Signal The pin receives +30 when the brake pedal is depressed. Connected to the control module, E39 (590), pin 57 (A).



PRE-RELEASE